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Changelog

1.3.0 — 2026-06-20

The big one. Four new optimizations, two removals, the FIKA crash fix, and a pass to make sure every feature actually does what it says — verified with live counters, not just compiled-and-shipped.

New

  • S8 CalmRagfairServer — vanilla forces a blocking, compacting full GC every time enough flea offers expire, a recurring multi-hundred-ms-to-multi-second stall. This runs the exact same expiry sequence minus the forced collect. In a measured session it skipped 54 forced GCs and the worst frame-pause dropped from ~8s (mod off) to ~1.7s.
  • S9 FastCompressionHttpListener — responses compressed at zlib Fastest instead of vanilla's slowest SmallestSize, several-fold less CPU for a few percent more bytes that only cross localhost/LAN. Output is byte-compatible; the client doesn't care.
  • S10 ThreadSafeCaches — serializes access to three SPT caches (handbook prices, item base classes, item blacklists) that vanilla writes at runtime while parallel ragfair tasks read them. Pure correctness; prevents an intermittent concurrent-collection crash.
  • S7 FastHttpResponseUtil — replaces five regex passes per response with one zero-allocation scan. Identical output.
  • S11 SaveDirtyTracking — skips the periodic profile save when the session is provably clean (vanilla serializes + hashes the full profile every tick even when idle).
  • S12 IsolatedBotRandomisation — fixes a vanilla bug where night-raid equipment modifiers were written into shared bot config, compounding per bot and persisting across raids until restart.
  • S13 CalmNotifier — websocket sends no longer hold the global socket lock during network I/O, payloads serialize once per message, and the /notify long-poll releases its thread between checks instead of pinning one per connected client. Most valuable for FIKA hosts.

Removed

  • S3 LogLevelFilter and C4 HotPathLogSuppressor — the log-filtering pair is gone. On default setups the filters dropped close to nothing, while suppressing other mods' in-raid logs made everyone else's bug reports worse and kept a Harmony patch on SPT's central logging queue. Community feedback was right. The mod is now server-only — no BepInEx plugin ships, which also resolves the client/server GUID-mismatch warning some saw in check-mods. (Upgrading from 1.2.x? Delete the old BepInEx/plugins/CompoundingPerf.Client folder.)
  • A route-dispatch memoization tried during development was pulled before release: it changed a launcher response under FIKA in a way that wasn't fully explained, and a perf feature that can't prove it's behavior-neutral doesn't ship.

Fixed

  • FIKA 2.3.x API endpoints crashing (/fika/api/players: no profiles found in saveServer — thanks to Fiodor for the report): DI overrides registered without an explicit InjectionType were resolved as Scoped instead of Singleton, so FIKA's API controllers got a fresh empty SaveServer per request. Every override now declares the exact lifetime of the class it replaces, and the mod warns at boot if another mod displaces one of its overrides.
  • S11 was throttling itself to nothing — its force-save interval defaulted to 60s, equal to SPT's save tick, so a clean session was always "due" and never actually skipped. Raised to 300s so it skips ~4 of every 5 idle saves.

Internals — every server feature uses SPT's DI TypeOverride so other mods' Harmony patches keep working; three small Harmony patches (S6, S7, S9) backstop the cases where the C# compiler dispatches an internal call non-virtually. All overrides match their vanilla DI lifetime. FIKA 2.3.x compatible.

1.2.1 — 2026-06-09

Fixes from an automated multi-lens code audit of our own source:

  • Fixed: CachingHttpRouter's cache used a case-sensitive comparer while its path whitelist was case-insensitive — variant-case requests could double-cache the same payload.
  • Fixed: LogSuppressorPatch initialized its allowlist lazily from a Harmony Prefix with no memory barrier (double-checked-locking race). Under heavy multi-threaded logging this could observe a half-published state and throw. Initialization is now eager, from Plugin.Awake(), before any patch is applied.
  • Removed: the three disabled experimental features (RaidLootPrewarmer, ShaderWarmup, PostRaidGC) are gone from the codebase rather than shipping as off-by-default toggles. Their history below stands; if a future version brings one back, it will be as a redesigned implementation that meets the bounded-cost bar.

1.2.0 — 2026-06-01

  • Added — S6 ThreadSafeRandomUtil: DI override of SPT's RandomUtil. Four virtual methods that still touch the shared non-thread-safe System.Random (GetDouble, GetBool, RandInt, RandNum) are now lock-wrapped; the private GetSecureRandomNumber is Harmony-patched to Random.Shared. Pure correctness fix; unblocks future concurrency work (S5 re-enable, parallel bot generation).
  • S5 RaidLootPrewarmer remains disabled pending re-validation on top of S6.

1.1.0 — 2026-05-26

  • Added — S2 ResponseCache: DI override of HttpRouter caching fifteen static-after-load endpoints. First request per path runs the normal chain (other mods' modifications are captured); repeats serve from memory.
  • Added, then disabled — S5 RaidLootPrewarmer: background pre-generation of next raid's loot. Crashed in play: the background generation raced on SPT's non-thread-safe RandomUtil. Disabled by default; root cause later fixed by S6.
  • Added, then disabled — C5 ShaderWarmup: Shader.WarmupAllShaders during first raid load took 85 seconds on a ~50-plugin install. Disabled by default.
  • Build: -p:SkipDeploy=true escape hatch for building while SPT is running.
  • Fixed SAIN detection GUID (me.sol.sain).

1.0.0 — 2026-04-28

Initial release.

  • S1 ProfileSaveDebouncer: trailing-edge save coalescer. Originally implemented via HarmonyReversePatch on the async SaveProfileAsync — which failed silently and broke saves (async kickoff IL can't be safely copied cross-assembly). Reimplemented the same day as a DI TypeOverride subclass of SaveServer using plain virtual dispatch; verified across multiple raid sessions since.
  • S3 LogLevelFilter: Harmony Prefix on SptLoggerQueueManager.EnqueueMessage dropping blocklisted-namespace lines below a configurable level.
  • C4 HotPathLogSuppressor + RaidStateTracker (client): in-raid BepInEx log suppression with a plugin allowlist.
  • C2 PostRaidGC (client): post-raid forced GC. Caused a ~974 ms hitch on a 2 GB heap even with the gentlest collector flags; disabled by default.